826M31/X9931/En25 Professional forged steel shaft/ forged steel part for mechnical purpose, OD: 80-1200mm

APPLICATIONS:

X9931 is suitable for the most severe duties where freedom from temper brittleness is necessary. It has high strength and toughness in large sections. Applications include heavy drive shafts, axles, gears, excavator pins, automotive, and general, engineering applications, such as Shafts, connecting rods, pump and gear shafts, Die Holder Blocks, and long wall coal mining roof support pins.

RELATED SPECIFICATIONS:

Australia AS 1444-2007 X9931

Germany W.Nr 1.6743 32NiCrMo10 4

Great Britain BS970: Part 3: 1991 826M31

BS970: 1955 EN25

Chemical Composition %:

Carbon 0.37-0.44

Silicon 0.17-0.37

Manganese 0.50-0.80

Phosphorus 0.04 max

Sulphur 0.04 max

Chromium 0.60-0.90

Molybdenum 0.15-0.25

Nickel 1.25-1.85

Process: EAF+LF+VOD+Forged+Heat Treatment(optional)

SIZE RANGE:

Round:

Hot Forged: 80mm-1200mm

SURFACE FINISHES:

Black, Peeled K12, Cold Drawn, Turned & Polished H10, H11, Precision Ground H9, H8

Test: Ultrasonic test according to SEP 1921-84 3Cc

Forging
Heat to 1150 oC - 1200 oC maximum, hold until temperature is uniform throughout the section.
Do not forge below 850 oC.
Following forging operation the work piece should be cooled as slowly as possible in sand or dry lime etc..

Flanged shafts, crankshafts and forged step shafts are used in a wide variety of industries including oil and gas exploration, machinery, gear manufacturing, aircraft and aerospace, energy and power generation, defense, automotive, heavy industrial, manufacturing, general metalworking, petroleum and chemical, mining, engine and turbine, ship building, construction, fabricated metal, pulp and paper, and food processing

Shanghai unite steel, as an ISO registered forging manufacturer, has a vast inventory (300 alloys & grades) on the floor which will aid you in the quickest deliveries, high quality and extremely competitive products!

Forged steel shafts:

• Forged sound centers with a 3-to-1 minimum reduction
• As rolled, as forged, lathe-turned or peeled surfaces
• No minimum buys on stocking grades
• Custom sizes to minimize excess stock
• 1/8" in 5 ft. or better straightness
• Bar peeler for bars 4" up to 16.25" round
• Poreba lathe for bars >16.25"

Package:

 We, Shanghai Unite Steel are committed to integrate engineering steel resources in china and serve the global engineering steel market. Our company has more than 15 years of experience in steel researching, production, managing and sales. And our team mostly are based on and worked in national famous steel enterprise.

In the aspect of resources and information, we have established cooperative and stronger relationship with nearly hundred enterprises, either state-owned or private owned in china, such as: DAYE Special Steel-a famous steel enterprise with the longest steelmaking history; BAO Steel, and Dongbei Special Steel Group-the biggest special steel manufacturer; TPCO, VALIN-largest seamless steel tube production enterprise; What's more, we have built long, deep and close business relationship with dozens of steel companies, Sharing and holding equities with several steel enterprises. Because of the close cooperation with steel companies and our pioneering spirit, which can ensure us stay at the top competition, and ensure our customers get what they really want!